2001 Volvo S60 Trouble Code

Tiny
TAWAN1973
  • MEMBER
  • 2001 VOLVO S60
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 160,000 MILES
What is trouble code P0420 and how to perform the repairs.
Wednesday, December 23rd, 2009 AT 9:00 PM

1 Reply

Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
DTC p0420 : Three-Way Catalytic Converter Efficiency

Possible causes are an air leakage in the exhaust system or faulty catalytic converter. Check exhaust system for any cracks / holes. If OK suspect faulty cat. Converter.
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Wednesday, December 23rd, 2009 AT 9:17 PM

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